1.a) semnul "^"inseamna ca ridic la patrat
BC^2=AB^2+AC^2 ( teorema lui Pitagora) v AB=AC
(24rad6)^2=AB^2+AB^2
3456=2AB^2
AB^2=3456:2
AB^2=1728
AB=24rad3
AB=AC=24rad3
b) AB=AC=18rad2
BC^2=AB^2+AC^2
BC^2=2AB^2=2 (18rad2)^2
BC^2=1296
BC=36
c)AB=AC=12rad6
BC^2=AB^2+AC^2=2AB^2=2 (12rad6)^2
BC^2=1728
BC=24rad3